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2D modelling of laser welding

Submitted by Tisha on

while carrying out a simple 2D analysis of welding of butt joint considering the source of constant heat flux and applying it at certain nodes as constant heat flux, i encountered a problem that it says that the temperature at particular node is exceeding the pre set limit and no solution is obtained. I am a freshman in Ansys so any help in this regard will be helpful

Submit an abstract for IMECE-2012 sympoisum "Multiscale Perspectives on Plasticity in Metals"

Submitted by Jonathan Zimmerman on

My co-organizers and I invite you to submit an abstract to the upcoming symposium “Multiscale Perspectives on Plasticity in Metals” at the ASME 2012 International Mechanical Engineering Congress & Exposition (IMECE), to be held November 9-15, 2012 in Houston, Texas. This symposium will explore the unique challenges to understanding plastic deformation in metals and formulating material models that can accurately predict thermo-mechanical deformation.

2012 SIMULIA Community Conference - International Gathering of Simulation Experts

Submitted by matt.ladzinski on

2012 SIMULIA Community Conference

May 15-17, 2012 – Providence, Rhode Island

Join our international gathering of simulation experts



Early Bird Discount—save $100 off the SCC registration fee!

Advanced Seminars; 90+ Customer Presentations; Network with Peers; Engage with SIMULIA Managers; Discover Complementary Technologies

Check out our latest issue of SIMULIA Realistic Simulation News!

Submitted by matt.ladzinski on

From spacecrafts to army helmets, the latest issue of SIMULIA Realistic Simulation News delivers customer success stories and industry strategy focused on Aerospace and Defense. 

Our feature article is an exciting and in-depth report on Dutch Space’s application of Abaqus in literal rocket science: virtual testing of a new metallic thermal protection system for hypersonic space vehicles.

Also in this issue:

Designing Safer Vehicles with Realistic Simulation of Airbag Deployment

Submitted by matt.ladzinski on

Airbags are one of the major protection systems used in a car crash. They play one of the most important roles in preventing severe injuries and fatalities during vehicle crashes. The advancement of new technology and airbag regulations necessitates that airbags be tested for safety in all kinds of scenarios, including situations where the occupant interacts with the airbag before it is fully deployed.

Post-­‐doctoral research fellowship: Molecular mechanics of bone

Submitted by Markus J. Buehler on

Top candidates are sought for a collaborative research project between Dr. Sandra Shefelbine (Department of Bioengineering, Imperial College London) and Dr. Markus Buehler (Department of Civil and Environmental Engineering, Massachusetts Institute of Technology).  This project will use molecular modelling techniques and associated experimental methods to explore the collagen-apatite interface in bone. 



Stress Field near a crack tip with different crack fibre orientations of an orthotropic lamina

Submitted by saurabh.mech.ism on

I was going through these papers:

1.P.K. Sarkar and S.K. Maiti, 'Prediction of mode-1 fracture toughness of unidirectional fibre composites with arbitrary crack fibre orientation from its lowest or matrix fracture toughness'. int. J. Fracture, vol. 40. pp. R91-R96, (1989).

 

2.S.K. Maiti and P.K. Sarkar, 'A method of calculation of total strain energy release rate and its layer-wise distribution for an arbitrary through the thickness crack extension in a composite laminate', Engg. Fracture Mechanics, vol. 36, pp. 639-646,(1990).

 

Postdoc position available on atomistic simulations of water/graphene interface

Submitted by barbarossapao on

A postdoc position is available next January at Research Center for Applied Sciences, Academia Sinica in Taiwan on the molecular simulation of the water/graphene interface.

For those who are interested, please contact Chun-Wei Pao (cwpao [at] gate.sinica.edu.tw) or Jer-Lai Kuo (jlkuo [at] pubs.iams.sinica.edu.tw).